package collection;

import java.util.ArrayList;
import java.util.List;

/**
 * List subList(int start, int end )
 * 获取指定范围内的子集*/
public class ListDemo3 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for(int i = 0; i < 10;i++){
            list.add(i);
        }
        System.out.println(list);

        List<Integer> sublist = list.subList(3,8);//截取的数字含头不含尾
        System.out.println(sublist);

        //将子集每个元素扩大10倍----[30,40,50,60,70]
        for(int i = 0; i < 10;i++){
          list.add(i);
        }
        System.out.println(list);



//        for(int i =0;i<sublist.size();i++){
//          int e = sublist.get(i);
//          e =e*10;
//          sublist.set(i,e);
//        }
//        System.out.println(sublist);
//        System.out.println(list);

        //删除集合中的2-8这些元素
        list.subList(2,9).clear();
        System.out.println(list);




    }
}
